Patents

 

No.

Patent number

Patent name

1

87206575

Multi-electrode series electro dialyzer in plane

2

87104382

Making method and use of ion-exchanging network-membrane

3

89218244.X

Sheet press-frame type filter

4

90100214.3

Method of purifying kelp-soaking liquid

5

90218711.2

Spiral filtration membrane filter

6

90226884.8

Pleated cartridge micro-filtration core

7

91206196

Thin-page type filter

8

91225372.7

Micro-porous filter

9

91224107.1

Vacuum chamber extensible micro-porous filter

10

92201350

Convex and concave ion-exchanging film

11

92228101.7

Pleated cartridge micro-porous filter of spring tube lining

12

92226112.1

Water purifying unit

13

92244291.6

Multi-function filtration core

14

93242125.3

Thin layer flow path sheet ultra-filter

15

94106893.5

Improved method of purifying kelp-soaking liquid

16

94116066.1

Producing method of poly-acrylonitrile film

17

94247861.4

Electrode assembly for electro dialysis

18

95204078.6

Filtration liner for water purifier

19

97209961.1

Air filter for water-bottle type drinking machine

20

97209962.X

97209962.X

Improved water-bottle type drinking machine

21

98213939.x

98213939.X

Reverse osmotic water purifying device for household water purifier

22

94109352.2

Method of extracting mannitol from kelp-soaking liquid

23

01264641.5

Pipe style water pollution index tester

24

01264637.7

Tester for completeness of membrane filtration core

25

1273986.3

Membrane aperture measuring instrument

26

3329824.6

Electro deionizing devices

27

3230478.1

Electric deionizing devices

28

200320122286.8

Chitosan medicine film

29

200320122287.2

Chitosan medical film wound plaster

30

3106917.7

Membrane filtration equipment

31

200410016957.1

New technique for preparing 5-isocyanic ester-isophtyaloyl chlorine

32

200410025245.6

Polyamide reverse osmosis composite membrane and preparing method

33

200520103041.X

200520103041.X

Hydraulic energy-recovery equipment with double cylinder

34

200620101192.6

Smoothing membrane-surface potential measuring instrument

35

200410025329.x

200410025329.X

Treating method and apparatus for seawater desalination

36

200410068155.5

New reverse osmosis antioxidant composite membrane of polyamide and its preparing method

37

200510050116.7

Energy-savings reverse osmosis treatment system

38

200410084427

High-flux and reverse osmosis composite membrane of polyamide

39

200510061712.5

Preparing method of liquid separating membrane

40

200610052905.9

Method for treatment of wool washing waste water

41

200820082080.X

200820082080.X

Mobile seawater desalination apparatus

42

200820166630.6

Directional control valve driven by hydraulic pressure

43

200820166066.8

Hydraulic system driving check valve

44

200820165969.4

Hydraulic pressure driving valve

45

200820167333.3

Switching valve driven by hydraulic pressure

46

200610049529.8

Water treatment system and method with double-membrane technology

47

200920116215.4

Automatic bacterio-static ultra-filtration membrane component

48

200610049602.1

Smoothing membrane-surface potential determiner

49

200920201823.5

Inside and outside leakage-proof and electric leakage-proof bipolar membrane electro dialysis baffle plate

50

200810121502.4

Treatment method for wastewater of polyvinyl chloride (PVC) centrifugal mother liquor

51

200810059236.7

Mini type seawater desalination system water treatment technique

52

200810121653.X

200810121653.X

Method for concentrating seafood processing wastewater

53

200810120390.0

Treatment method for wastewater of polyvinyl chloride (PVC) centrifugal mother liquor

54

200910096100.8

Biological contamination-resistant ultra-thin composite membrane and preparing method

55

200810121835.7

Directional control valve driven by hydraulic pressure.

56

201020592307.2

Photovoltaic solar reverse-osmosis desalination device

57

201020592570.1

Electro-hydraulic reversing energy recovery unit

58

200810122258.3

Advanced treatment and recovery technique for seafood processing wastewater

59

200910095249.4

External pressure type hollow fiber-film component and its usage

60

200910096097.X

200910096097.X

Chlorohydrination treatment for saponification wastewater

61

200810122234.8

Switching valve group driven by hydraulic pressure

62

201020592293.4

Cartridge valve controlled pressure exchange device

63

201020593678.2

Hydraulic automatic transposition energy recovery device

64

200910155055.1

High temperature- resistant and membrane replaceable hollow fibre membrane component

65

201010103083.9

Preparation method for cross-linking polyvinyl alcohol furfural nano-filtration membrane

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